During ___ , homologous chromosomes separate and dyads move to opposite poles of the spindle.

Prophase I

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Anaphase II

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Metaphase I

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Anaphase I

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Solution

The correct option is D Anaphase I
During anaphase I, the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle.
In anaphase I the sister chromatids remain attached at their centromeres and move together toward the poles.

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Similar questions

During ________, homologous chromosomes separate and dyads move to opposite poles of the spindle.

	Metaphase	Anaphase	Anaphase-1
1)	Chromosomes are moved to spindle equator	Daughter chromatids separate	Chromatids remain associated
2)	Chromosomes are moved to spindle equator	Centromeres are towards poles	Centromeres are towards the equator
3)	Starts with complete nuclear member disintegration	Centromeres are towards poles	Segregation of homologous chromosomes
4)	Starts with complete nuclear member disintegration	Centromeres split	Segregation of homologous chromosomes

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